In the following cases, operation of the BSD/RCTA approach indicator light and the warning buzzer may be delayed or the system may fail to issue these warnings.
During reversing, operation of the BSD/ RCTA approach indicator light and the warning buzzer may be delayed or the system may fail to issue these warnings under the following conditions.

The BSD/RCTA approach indicator light may illuminate when driving close to solid objects on the road or road side (such as guardrails, tunnels and sidewalls).
The BSD/RCTA approach indicator light may flash when turning at an intersection in urban areas or a multilane intersection.
The BSD/RCTA approach indicator light may flash and the warning buzzer may sound if a building or a wall exists in the reversing direction
In the following cases, the system may detect a vehicle driving two lanes away from your vehicle.
BSD/RCTA approach indicator lightDtc b1618 front sub sensor lh initialization error
AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble CodeDTC B1618 FRONT SUB SENSOR LH INITIALIZATION ERRORDiagnosis start condition:Ignition voltage is 10 V to 16 V.DTC detecting condition:• Open or short circuit in harness of front sensor bus (LH)• Front sub sensor (LH) is fa ...
Fuel requirements
The Subaru Ascent engine is engineered to operate efficiently on unleaded gasoline
with an octane rating of at least 87 AKI (90 RON). Using the correct fuel ensures
optimal performance, fuel economy, and engine longevity.
NOTE
When towing with the Subaru Ascent, it is advisable to use higher-o ...
Assembly
FRONT SUSPENSION > Front StrutASSEMBLY1. Before assembly, check each part. Front Strut > INSPECTION">2. Using a coil spring compressor, compress the coil spring - front.CAUTION:When installing the coil spring compressor to the coil spring, follow the operation manual accompanied with ...